/Engine/Source/Runtime/MovieSceneTracks/Public/EntitySystem/Interrogation/MovieSceneInterrogationLinker.h
Allocate a new interrogation channel that can be used to uniquely identify groups of tracks that animate the same property or output.
A new interrogation channel
[FInterrogationChannel](API\Runtime\MovieScene\EntitySystem\FInterrogationChannel) AllocateChannel ( [FInterrogationChannel](API\Runtime\MovieScene\EntitySystem\FInterrogationChannel) ParentChannel, const [FMovieScenePropertyBinding](API\Runtime\MovieScene\EntitySystem\FMovieScenePropertyBinding) & PropertyBinding )